29131407

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{1987}}^1$

素因数の和:2180

約数の個数: 20

約数和(自身を含む): 43779736

約数和(自身を除く): 14648329

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 1987, 4887, 5961, 14661, 17883, 53649, 160947, 359647, 1078941, 3236823, 9710469, 29131407]

約数ペア:

[(1, 29131407), (3, 9710469), (9, 3236823), (27, 1078941), (81, 359647), (181, 160947), (543, 53649), (1629, 17883), (1987, 14661), (4887, 5961)]